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Tomtit [17]
3 years ago
5

99 points help SHOW YOUR WORK Q+B=13. When B+3=0

Mathematics
2 answers:
belka [17]3 years ago
7 0

Q+B=13. When B+3=0

You have 2 separate equations.

First solve the 2nd equation for B:

B +3 = 0

Subtract 3 from both sides:

B +3 - 3 = 0-3

Simplify:

B = -3


Now we have a value for B, we can replace b with -3 in the first equation and solve for Q:


Q + -3 = 13

Add 3 to each side:

Q + -3 + 3 = 13+3

Simplify:

Q = 16


So you have Q = 16 and B = -3

Georgia [21]3 years ago
4 0

Question

SHOW YOUR WORK Q+B=13. When B+3=0

Answer:

16 + (-3) = 13

Step-by-step explanation:

find b

B + 3 = 0

B = -3

now we have the expression:

Q + (-3) = 13

Q = 13 + 3

Q = 16

check

16 + (-3) = 13

16 = 16



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Find the vector represented by the directed line segment with initial point A(1, −4, 1) and terminal point B(−2, 5, 4). SOLUTION
frozen [14]

Answer:

-3i +9j+3k

Step-by-step explanation:

Given that the vector is represented by the directed line segment with initial point A(1, −4, 1) and terminal point B(−2, 5, 4).

Position vector of A with respect to origin = (1, −4, 1)

position vector of B with respect to origin = (-2,5,4)

AB vector = OB-OA

= (-2-1, 5-(-4),4-1)

= (-3, 9, 3)

Line segment AB is (-3,9,3) or

-3i +9j+3k

Initial point is A and final point is B

4 0
4 years ago
A bag contains 5 red marbles, 2 blue marbles, and 3 green marbles what is the probability of drawing a green marble
Dmitry_Shevchenko [17]

Answer:

Hey there!

Total marbles= 5+2+3=10

Green marbles= 3

3/10=30%

Hope this helps :)

4 0
3 years ago
Is my solution correct?
nlexa [21]

Hello there!

Yes, your solution is correct! A way to check it is replacing the value you found for x into x in the equation.

3(2-x) = 7 - 4x ⇒ 3(2-1) = 7 - 4(1)

And now solve  3(2-1) = 7 - 4(1).

3(1) = 7 - 4(1)

3 = 7 - 4

3 = 3

Since it is a true statement that 3 is equal to 3, it means your solution of x = 1 is correct. Good job! :)

8 0
3 years ago
Read 2 more answers
What is the value of x in the equation −6 + x = −1?
zhenek [66]

Answer:

the answer is d 5

Step-by-step explanation:-6 +5= -1

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Vlad1618 [11]
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